[erlang-bugs] Unclosed ports causing memory leak

Bjorn Gustavsson <>
Fri Oct 17 09:46:07 CEST 2008

2008/10/14 Malcolm Dowse <>

> Hello,
> We have been having some issues with Erlang ports not being closed
> properly. Instead, the ports remain in a strange "half closed" state. In
> this state, some aspects of the runtime system act as if the port exists
> (erlang:ports/1) but others act as if it does not (erlang:port_info/1,
> erlang:port_close/1). For example:


I was able to reproduce the problem. We will investigate.

Björn Gustavsson, Erlang/OTP, Ericsson AB
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